Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of the claimed design for a display screen or portion thereof with graphical user interface; and,

FIG. 2 is an enlarged front view thereof, wherein some unclaimed subject matter is omitted.

The uneven-length broken lines depict boundaries of the claimed design and form no part thereof. The outermost rectangle of even-length broken lines depicts the display screen or portion thereof with graphical user interface and forms no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 